Home / 30,853.80-42,577.74-16,706.52

Finding the Fourth Proportional to 30,853.80, 42,577.74 and 16,706.52

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Solution

The fourth proportional to 30,853.80, 42,577.74 and 16,706.52 is: 23,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.80 : 42,577.74 = 16,706.52 : x
  2. Step 2: Convert to fraction form
    30,853.80/42,577.74 = 16,706.52/x
  3. Step 3: Cross multiply
    30,853.80x = 42,577.74 × 16,706.52
  4. Step 4: Simplify right side
    30,853.80x = 711,325,864.86
  5. Step 5: Solve for x
    x = 711,325,864.86/30,853.80
  6. Step 6: Final answer
    x = 23,054.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.